OREGON-IDAHO BORDER WILDFIRE SCORCHES 280,000 ACRES
PUBLISHED Jul 26, 2026, 4:33 PM ET
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OREGON–IDAHO BORDER — A fast-moving wildfire known as the Big Grass Fire has burned about 280,000 acres of dry rangeland and scrubland along the Oregon–Idaho border as of Sunday, July 26, 2026, forcing officials to raise evacuation orders to their highest levels in several rural communities. The blaze ignited in Malheur County, Oregon, before rapidly crossing into Owyhee County, Idaho, as gusty winds, high daytime temperatures and critically low humidity pushed flames across the high-desert landscape. Emergency management officials, county commissioners and local sheriffs have coordinated the response, warning residents to leave threatened areas as the fire continues to advance with minimal containment. Authorities report the Big Grass Fire is only 5 percent contained, according to incident data from the National Interagency Fire Center, regional dispatch offices and local emergency agencies. Hundreds of firefighting personnel, engines, water tenders, heavy equipment and aircraft from both states have been deployed to build defensible control lines, protect critical public infrastructure and defend homes and ranches in the path of the fire. Communities and areas under the greatest pressure include Jordan Valley and Pleasant Valley in Malheur County, Oregon, as well as South Mountain, Reynolds Creek, Murphy, the North Fork Campground and the Three Forks Road corridor in Owyhee County, Idaho, where rugged, remote terrain is complicating ground access and containment efforts.
By James Porter | JQJO News
Timeline of Events
- Early July 2026 Prolonged heatwave grips high desert
- Mid July 2026 Seasonal drought deepens rangeland dryness
- Late July 2026 Fire ignites in Malheur County
- Late July 2026 Flames cross into Owyhee County
- Sunday July 26 2026 Burn area reaches 280,000 acres
- Sunday July 26 2026 Containment estimated at five percent
- Sunday July 26 2026 Evacuations expanded to highest levels
- Sunday July 26 2026 Air and ground crews reinforce lines
News Intelligence
- This wildfire affects your safety and community. If you're in or near the affected areas, heed evacuation orders. Check on neighbors, especially the elderly or those with mobility issues. Keep an eye on local news for updates.
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